Download AR-ALPHA

Table of Contents
1. Introduction ---------------------------------------------------------------------------------------------------------- 4
1-1 Introduction ---------------------------------------------------------------------------------------------- 4
1-2 Caring for your radio ---------------------------------------------------------------------------------- 6
1-3 Please note these operating procedures ---------------------------------------------------------- 7
1-4 Accessories supplied ---------------------------------------------------------------------------------- 7
1-5 Controls and functions ----------------------------------------------------------------------------------12
Front Panel
----------------------------------------------------------------------------------12
1-5-1 Keypad
----------------------------------------------------------------------------------13
1-5-2 Summary of keys
----------------------------------------------------------------------13
Rear Panel
----------------------------------------------------------------------------------28
2. Getting Started
----------------------------------------------------------------------------------------------31
2-1 Preparing the AR-ALPHA for operation ----------------------------------------------------------31
2-1-1 Connecting the antenna
----------------------------------------------------------31
2-1-2 Connecting power ----------------------------------------------------------------------32
2-2 Switching on for the first time ----------------------------------------------------------------------32
2-3 Squelch Circuit
----------------------------------------------------------------------------------33
2-4 VFO selection
----------------------------------------------------------------------------------33
2-4-1 Tuning frequency
----------------------------------------------------------------------34
2-4-1-1 Entering a frequency using the numeric keypad
----------34
2-4-1-2 Changing frequency using the main tuning dial
----------35
2-4-1-3 Changing frequency using the arrow keys
----------------------35
2-5 Changing receive mode
----------------------------------------------------------------------36
2-5-1 Auto mode selection ----------------------------------------------------------------------37
2-5-2 Receive mode selection
----------------------------------------------------------37
2-5-3 Additional decoding modes ----------------------------------------------------------39
2-6 Changing tuning step size
----------------------------------------------------------------------41
2-7 IF bandwidth ----------------------------------------------------------------------------------------------42
2-7-1 Manually selecting IF band width
----------------------------------------------43
2-8 Attenuator
----------------------------------------------------------------------------------------------43
2-9 Offset
----------------------------------------------------------------------------------------------44
2-9-1 Using pre-programmed frequency offset data
----------------------------------44
2-9-2 Entering new frequency offset data
----------------------------------------------45
2-9-3 Activating frequency offset
----------------------------------------------------------46
2-9-4 Monitoring the offset frequency
----------------------------------------------46
2-9-5 Deactivating frequency offset ----------------------------------------------------------46
3. Spectrum Display
----------------------------------------------------------------------------------------------47
3-1 LCD Display Screen (in VFO spectrum analyzer mode)
----------------------------------47
3-1-1 Operation mode display
----------------------------------------------------------47
3-1-2 Basic operation display
----------------------------------------------------------48
3-1-3 Spectrum display (example) ----------------------------------------------------------49
3-2 Display span setting ----------------------------------------------------------------------------------50
3-2-1 Setting the display span
----------------------------------------------------------52
4. Memory channels
----------------------------------------------------------------------------------------------53
4-1 Memory Bank and Memory Channel
----------------------------------------------------------54
4-2 Storing VFO frequency and data into memory
----------------------------------------------55
4-3 Memory read “M.RD” --------------------------------------------------------------------------------- 56
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